At one point, Behling recalls, Jobs discussed the walls he had in mind for the offices: “He knew exactly what timber he wanted, but not just ‘I like oak’ or ‘I like maple.’ He knew it had to be quarter-­cut. It had to be cut in the winter, ideally in January, to have the least amount of sap and sugar content. We were all sitting there, architects with gray hair, going, ‘Holy shit!’”